code:
// TR1 code repetition for bind -*- C++ -*-

// Copyright (C) 2005 Free Software Foundation, Inc.
// Written by Douglas Gregor <doug.gregor -at- gmail.com>
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/bind_repeat.h
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

#ifndef _GLIBCXX_BIND_REPEAT_HEADER
#  error Internal error: _GLIBCXX_BIND_REPEAT_HEADER must be set
#endif /* _GLIBCXX_BIND_REPEAT_HEADER */

#define _GLIBCXX_BIND_NUM_ARGS 0
#define _GLIBCXX_BIND_COMMA
#define _GLIBCXX_BIND_TEMPLATE_PARAMS
#define _GLIBCXX_BIND_TEMPLATE_ARGS
#define _GLIBCXX_BIND_PARAMS
#define _GLIBCXX_BIND_ARGS
#  include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 1
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1
#define _GLIBCXX_BIND_PARAMS _U1& __u1
#define _GLIBCXX_BIND_ARGS __u1
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS
#define _GLIBCXX_BIND_NUM_ARGS 2
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2
#define _GLIBCXX_BIND_ARGS __u1, __u2
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 3
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2, typename _U3
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2, _U3
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2, _U3& __u3
#define _GLIBCXX_BIND_ARGS __u1, __u2, __u3
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 4
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2, typename _U3, typename _U4
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2, _U3, _U4
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2, _U3& __u3, _U4& __u4
#define _GLIBCXX_BIND_ARGS __u1, __u2, __u3, __u4
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 5
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2, typename _U3, typename _U4, typename _U5
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2, _U3, _U4, _U5
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2, _U3& __u3, _U4& __u4, _U5& __u5
#define _GLIBCXX_BIND_ARGS __u1, __u2, __u3, __u4, __u5
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 6
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2, typename _U3, typename _U4, typename _U5, typename _U6
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2, _U3, _U4, _U5, _U6
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2, _U3& __u3, _U4& __u4, _U5& __u5, _U6& __u6
#define _GLIBCXX_BIND_ARGS __u1, __u2, __u3, __u4, __u5, __u6
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 7
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2, typename _U3, typename _U4, typename _U5, typename _U6, typename _U7
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2, _U3, _U4, _U5, _U6, _U7
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2, _U3& __u3, _U4& __u4, _U5& __u5, _U6& __u6, _U7& __u7
#define _GLIBCXX_BIND_ARGS __u1, __u2, __u3, __u4, __u5, __u6, __u7
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 8
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2, typename _U3, typename _U4, typename _U5, typename _U6, typename _U7, typename _U8
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2, _U3, _U4, _U5, _U6, _U7, _U8
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2, _U3& __u3, _U4& __u4, _U5& __u5, _U6& __u6, _U7& __u7, _U8& __u8
#define _GLIBCXX_BIND_ARGS __u1, __u2, __u3, __u4, __u5, __u6, __u7, __u8
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 9
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2, typename _U3, typename _U4, typename _U5, typename _U6, typename _U7, typename _U8, typename _U9
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2, _U3, _U4, _U5, _U6, _U7, _U8, _U9
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2, _U3& __u3, _U4& __u4, _U5& __u5, _U6& __u6, _U7& __u7, _U8& __u8, _U9& __u9
#define _GLIBCXX_BIND_ARGS __u1, __u2, __u3, __u4, __u5, __u6, __u7, __u8, __u9
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS

#define _GLIBCXX_BIND_NUM_ARGS 10
#define _GLIBCXX_BIND_COMMA ,
#define _GLIBCXX_BIND_TEMPLATE_PARAMS typename _U1, typename _U2, typename _U3, typename _U4, typename _U5, typename _U6, typename _U7, typename _U8, typename _U9, typename _U10
#define _GLIBCXX_BIND_TEMPLATE_ARGS _U1, _U2, _U3, _U4, _U5, _U6, _U7, _U8, _U9, _U10
#define _GLIBCXX_BIND_PARAMS _U1& __u1, _U2& __u2, _U3& __u3, _U4& __u4, _U5& __u5, _U6& __u6, _U7& __u7, _U8& __u8, _U9& __u9, _U10& __u10
#define _GLIBCXX_BIND_ARGS __u1, __u2, __u3, __u4, __u5, __u6, __u7, __u8, __u9, __u10
#include _GLIBCXX_BIND_REPEAT_HEADER
#undef _GLIBCXX_BIND_ARGS
#undef _GLIBCXX_BIND_PARAMS
#undef _GLIBCXX_BIND_TEMPLATE_ARGS
#undef _GLIBCXX_BIND_TEMPLATE_PARAMS
#undef _GLIBCXX_BIND_COMMA
#undef _GLIBCXX_BIND_NUM_ARGS


code:
// <tr1/boost_shared_ptr.h> -*- C++ -*-

// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

//  shared_count.hpp
//  Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.

//  shared_ptr.hpp
//  Copyright (C) 1998, 1999 Greg Colvin and Beman Dawes.
//  Copyright (C) 2001, 2002, 2003 Peter Dimov

//  weak_ptr.hpp
//  Copyright (C) 2001, 2002, 2003 Peter Dimov

//  enable_shared_from_this.hpp
//  Copyright (C) 2002 Peter Dimov

// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

// GCC Note:  based on version 1.32.0 of the Boost library.

/** @file tr1/boost_shared_ptr.h
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

#ifndef _BOOST_SHARED_PTR_H
#define _BOOST_SHARED_PTR_H 1

namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

  class bad_weak_ptr : public std::exception
  {
  public:
    virtual char const*
    what() const throw()
    { return "tr1::bad_weak_ptr"; }
  };

  // Substitute for bad_weak_ptr object in the case of -fno-exceptions.
  inline void
  __throw_bad_weak_ptr()
  {
#if __EXCEPTIONS
    throw bad_weak_ptr();
#else
    std::abort();
#endif
  }

  using __gnu_cxx::_Lock_policy;
  using __gnu_cxx::__default_lock_policy;
  using __gnu_cxx::_S_single;
  using __gnu_cxx::_S_mutex;
  using __gnu_cxx::_S_atomic;

  template<typename _Tp>
    struct _Sp_deleter
    {
      typedef void result_type;
      typedef _Tp* argument_type;

      void
      operator()(_Tp* __p) const
      { delete __p; }
    };

  // Empty helper class except when the template argument is _S_mutex.
  template<_Lock_policy _Lp>
    class _Mutex_base
    { };

  template<>
    class _Mutex_base<_S_mutex>
    : public __gnu_cxx::__mutex
    { };

  template<_Lock_policy _Lp = __default_lock_policy>
    class _Sp_counted_base
    : public _Mutex_base<_Lp>
    {
    public:
      _Sp_counted_base()
      : _M_use_count(1), _M_weak_count(1) { }

      virtual
      ~_Sp_counted_base() // nothrow
      { }

      // Called when _M_use_count drops to zero, to release the resources
      // managed by *this.
      virtual void
      _M_dispose() = 0; // nothrow

      // Called when _M_weak_count drops to zero.
      virtual void
      _M_destroy() // nothrow
      { delete this; }

      virtual void*
      _M_get_deleter(const std::type_info&) = 0;

      void
      _M_add_ref_copy()
      { __gnu_cxx::__atomic_add_dispatch(&_M_use_count, 1); }

      void
      _M_add_ref_lock();

      void
      _M_release() // nothrow
      {
	if (__gnu_cxx::__exchange_and_add_dispatch(&_M_use_count,
						   -1) == 1)
	  {
	    _M_dispose();
#ifdef __GTHREADS
	    _GLIBCXX_READ_MEM_BARRIER;
	    _GLIBCXX_WRITE_MEM_BARRIER;
#endif
	    if (__gnu_cxx::__exchange_and_add_dispatch(&_M_weak_count,
						       -1) == 1)
	      _M_destroy();
	  }
      }

      void
      _M_weak_add_ref() // nothrow
      { __gnu_cxx::__atomic_add_dispatch(&_M_weak_count, 1); }

      void
      _M_weak_release() // nothrow
      {
	if (__gnu_cxx::__exchange_and_add_dispatch(&_M_weak_count, -1) == 1)
	  {
#ifdef __GTHREADS
	    _GLIBCXX_READ_MEM_BARRIER;
	    _GLIBCXX_WRITE_MEM_BARRIER;
#endif
	    _M_destroy();
	  }
      }

      long
      _M_get_use_count() const // nothrow
      { return _M_use_count; }  // XXX is this MT safe?

    private:
      _Sp_counted_base(_Sp_counted_base const&);
      _Sp_counted_base& operator=(_Sp_counted_base const&);

      _Atomic_word  _M_use_count;     // #shared
      _Atomic_word  _M_weak_count;    // #weak + (#shared != 0)
    };

  template<>
    inline void
    _Sp_counted_base<_S_single>::
    _M_add_ref_lock()
    {
      if (__gnu_cxx::__exchange_and_add_dispatch(&_M_use_count, 1) == 0)
	{
	  _M_use_count = 0;
	  __throw_bad_weak_ptr();
	}
    }

#ifdef __GTHREADS
  template<>
    inline void
    _Sp_counted_base<_S_mutex>::
    _M_add_ref_lock()
    {
      __gnu_cxx::__scoped_lock sentry(*this);
      if (__gnu_cxx::__exchange_and_add_dispatch(&_M_use_count, 1) == 0)
	{
	  _M_use_count = 0;
	  __throw_bad_weak_ptr();
	}
    }
#endif

  template<>
    inline void
    _Sp_counted_base<_S_atomic>::
    _M_add_ref_lock()
    {
      // Perform lock-free add-if-not-zero operation.
      _Atomic_word __count;
      do
	{
	  __count = _M_use_count;
	  if (__count == 0)
	    __throw_bad_weak_ptr();

	  // Replace the current counter value with the old value + 1, as
	  // long as it's not changed meanwhile.
	}
      while (!__sync_bool_compare_and_swap(&_M_use_count, __count,
					   __count + 1));
    }

  template<typename _Ptr, typename _Deleter, _Lock_policy _Lp>
    class _Sp_counted_base_impl
    : public _Sp_counted_base<_Lp>
    {
    public:
      /**
       *  @brief
       *  @pre     __d(__p) must not throw.
       */
      _Sp_counted_base_impl(_Ptr __p, _Deleter __d)
      : _M_ptr(__p), _M_del(__d) { }

      virtual void
      _M_dispose() // nothrow
      { _M_del(_M_ptr); }

      virtual void*
      _M_get_deleter(const std::type_info& __ti)
      { return __ti == typeid(_Deleter) ? &_M_del : 0; }

    private:
      _Sp_counted_base_impl(const _Sp_counted_base_impl&);
      _Sp_counted_base_impl& operator=(const _Sp_counted_base_impl&);

      _Ptr      _M_ptr;  // copy constructor must not throw
      _Deleter  _M_del;  // copy constructor must not throw
    };

  template<_Lock_policy _Lp = __default_lock_policy>
    class __weak_count;

  template<_Lock_policy _Lp = __default_lock_policy>
    class __shared_count
    {
    public:
      __shared_count()
      : _M_pi(0) // nothrow
      { }

      template<typename _Ptr, typename _Deleter>
        __shared_count(_Ptr __p, _Deleter __d) : _M_pi(0)
        {
	  try
	    {
	      _M_pi = new _Sp_counted_base_impl<_Ptr, _Deleter, _Lp>(__p, __d);
	    }
	  catch(...)
	    {
	      __d(__p); // Call _Deleter on __p.
	      __throw_exception_again;
	    }
	}

      // Special case for auto_ptr<_Tp> to provide the strong guarantee.
      template<typename _Tp>
        explicit
        __shared_count(std::auto_ptr<_Tp>& __r)
	: _M_pi(new _Sp_counted_base_impl<_Tp*,
		_Sp_deleter<_Tp>, _Lp >(__r.get(), _Sp_deleter<_Tp>()))
        { __r.release(); }

      // Throw bad_weak_ptr when __r._M_get_use_count() == 0.
      explicit
      __shared_count(const __weak_count<_Lp>& __r);

      ~__shared_count() // nothrow
      {
	if (_M_pi != 0)
	  _M_pi->_M_release();
      }

      __shared_count(const __shared_count& __r)
      : _M_pi(__r._M_pi) // nothrow
      {
	if (_M_pi != 0)
	  _M_pi->_M_add_ref_copy();
      }

      __shared_count&
      operator=(const __shared_count& __r) // nothrow
      {
	_Sp_counted_base<_Lp>* __tmp = __r._M_pi;
	if (__tmp != _M_pi)
	  {
	    if (__tmp != 0)
	      __tmp->_M_add_ref_copy();
	    if (_M_pi != 0)
	      _M_pi->_M_release();
	    _M_pi = __tmp;
	  }
	return *this;
      }

      void
      _M_swap(__shared_count& __r) // nothrow
      {
	_Sp_counted_base<_Lp>* __tmp = __r._M_pi;
	__r._M_pi = _M_pi;
	_M_pi = __tmp;
      }

      long
      _M_get_use_count() const // nothrow
      { return _M_pi != 0 ? _M_pi->_M_get_use_count() : 0; }

      bool
      _M_unique() const // nothrow
      { return this->_M_get_use_count() == 1; }

      friend inline bool
      operator==(const __shared_count& __a, const __shared_count& __b)
      { return __a._M_pi == __b._M_pi; }

      friend inline bool
      operator<(const __shared_count& __a, const __shared_count& __b)
      { return std::less<_Sp_counted_base<_Lp>*>()(__a._M_pi, __b._M_pi); }

      void*
      _M_get_deleter(const std::type_info& __ti) const
      { return _M_pi ? _M_pi->_M_get_deleter(__ti) : 0; }

    private:
      friend class __weak_count<_Lp>;

      _Sp_counted_base<_Lp>*  _M_pi;
    };

  template<_Lock_policy _Lp>
    class __weak_count
    {
    public:
      __weak_count()
      : _M_pi(0) // nothrow
      { }

      __weak_count(const __shared_count<_Lp>& __r)
      : _M_pi(__r._M_pi) // nothrow
      {
	if (_M_pi != 0)
	  _M_pi->_M_weak_add_ref();
      }

      __weak_count(const __weak_count<_Lp>& __r)
      : _M_pi(__r._M_pi) // nothrow
      {
	if (_M_pi != 0)
	  _M_pi->_M_weak_add_ref();
      }

      ~__weak_count() // nothrow
      {
	if (_M_pi != 0)
	  _M_pi->_M_weak_release();
      }

      __weak_count<_Lp>&
      operator=(const __shared_count<_Lp>& __r) // nothrow
      {
	_Sp_counted_base<_Lp>* __tmp = __r._M_pi;
	if (__tmp != 0)
	  __tmp->_M_weak_add_ref();
	if (_M_pi != 0)
	  _M_pi->_M_weak_release();
	_M_pi = __tmp;
	return *this;
      }

      __weak_count<_Lp>&
      operator=(const __weak_count<_Lp>& __r) // nothrow
      {
	_Sp_counted_base<_Lp>* __tmp = __r._M_pi;
	if (__tmp != 0)
	  __tmp->_M_weak_add_ref();
	if (_M_pi != 0)
	  _M_pi->_M_weak_release();
	_M_pi = __tmp;
	return *this;
      }

      void
      _M_swap(__weak_count<_Lp>& __r) // nothrow
      {
	_Sp_counted_base<_Lp>* __tmp = __r._M_pi;
	__r._M_pi = _M_pi;
	_M_pi = __tmp;
      }

      long
      _M_get_use_count() const // nothrow
      { return _M_pi != 0 ? _M_pi->_M_get_use_count() : 0; }

      friend inline bool
      operator==(const __weak_count<_Lp>& __a, const __weak_count<_Lp>& __b)
      { return __a._M_pi == __b._M_pi; }

      friend inline bool
      operator<(const __weak_count<_Lp>& __a, const __weak_count<_Lp>& __b)
      { return std::less<_Sp_counted_base<_Lp>*>()(__a._M_pi, __b._M_pi); }

    private:
      friend class __shared_count<_Lp>;

      _Sp_counted_base<_Lp>*  _M_pi;
    };

  template<_Lock_policy _Lp>
    inline
    __shared_count<_Lp>::
    __shared_count(const __weak_count<_Lp>& __r)
    : _M_pi(__r._M_pi)
    {
      if (_M_pi != 0)
	_M_pi->_M_add_ref_lock();
      else
	__throw_bad_weak_ptr();
    }

  // Forward declarations.
  template<typename _Tp, _Lock_policy _Lp = __default_lock_policy>
    class __shared_ptr;

  template<typename _Tp, _Lock_policy _Lp = __default_lock_policy>
    class __weak_ptr;

  template<typename _Tp, _Lock_policy _Lp = __default_lock_policy>
    class __enable_shared_from_this;

  template<typename _Tp>
    class shared_ptr;

  template<typename _Tp>
    class weak_ptr;

  template<typename _Tp>
    class enable_shared_from_this;

  // Support for enable_shared_from_this.

  // Friend of __enable_shared_from_this.
  template<_Lock_policy _Lp, typename _Tp1, typename _Tp2>
    void
    __enable_shared_from_this_helper(const __shared_count<_Lp>&,
				     const __enable_shared_from_this<_Tp1,
				     _Lp>*, const _Tp2*);

  // Friend of enable_shared_from_this.
  template<typename _Tp1, typename _Tp2>
    void
    __enable_shared_from_this_helper(const __shared_count<>&,
				     const enable_shared_from_this<_Tp1>*,
				     const _Tp2*);

  template<_Lock_policy _Lp>
    inline void
    __enable_shared_from_this_helper(const __shared_count<_Lp>&, ...)
    { }

  struct __static_cast_tag { };
  struct __const_cast_tag { };
  struct __dynamic_cast_tag { };

  /**
   *  @class shared_ptr <tr1/memory>
   *
   *  A smart pointer with reference-counted copy semantics.
   *  The object pointed to is deleted when the last shared_ptr pointing to
   *  it is destroyed or reset.
   */
  template<typename _Tp, _Lock_policy _Lp>
    class __shared_ptr
    {
    public:
      typedef _Tp   element_type;

      /** @brief  Construct an empty %__shared_ptr.
       *  @post   use_count()==0 && get()==0
       */
      __shared_ptr()
      : _M_ptr(0), _M_refcount() // never throws
      { }

      /** @brief  Construct a %__shared_ptr that owns the pointer @a __p.
       *  @param  __p  A pointer that is convertible to element_type*.
       *  @post   use_count() == 1 && get() == __p
       *  @throw  std::bad_alloc, in which case @c delete @a __p is called.
       */
      template<typename _Tp1>
        explicit
        __shared_ptr(_Tp1* __p)
	: _M_ptr(__p), _M_refcount(__p, _Sp_deleter<_Tp1>())
        {
	  __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
	  // __glibcxx_function_requires(_CompleteConcept<_Tp1*>)
	  __enable_shared_from_this_helper(_M_refcount, __p, __p);
	}

      //
      // Requirements: _Deleter' copy constructor and destructor must not throw
      //
      // __shared_ptr will release __p by calling __d(__p)
      //
      /** @brief  Construct a %__shared_ptr that owns the pointer @a __p
       *          and the deleter @a __d.
       *  @param  __p  A pointer.
       *  @param  __d  A deleter.
       *  @post   use_count() == 1 && get() == __p
       *  @throw  std::bad_alloc, in which case @a __d(__p) is called.
       */
      template<typename _Tp1, typename _Deleter>
        __shared_ptr(_Tp1* __p, _Deleter __d)
	: _M_ptr(__p), _M_refcount(__p, __d)
        {
	  __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
	  // TODO requires _Deleter CopyConstructible and __d(__p) well-formed
	  __enable_shared_from_this_helper(_M_refcount, __p, __p);
	}

      //  generated copy constructor, assignment, destructor are fine.

      /** @brief  If @a __r is empty, constructs an empty %__shared_ptr;
       *          otherwise construct a %__shared_ptr that shares ownership
       *          with @a __r.
       *  @param  __r  A %__shared_ptr.
       *  @post   get() == __r.get() && use_count() == __r.use_count()
       *  @throw  std::bad_alloc, in which case
       */
      template<typename _Tp1>
        __shared_ptr(const __shared_ptr<_Tp1, _Lp>& __r)
	: _M_ptr(__r._M_ptr), _M_refcount(__r._M_refcount) // never throws
        { __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>) }

      /** @brief  Constructs a %__shared_ptr that shares ownership with @a __r
       *          and stores a copy of the pointer stored in @a __r.
       *  @param  __r  A weak_ptr.
       *  @post   use_count() == __r.use_count()
       *  @throw  bad_weak_ptr when __r.expired(),
       *          in which case the constructor has no effect.
       */
      template<typename _Tp1>
        explicit
        __shared_ptr(const __weak_ptr<_Tp1, _Lp>& __r)
	: _M_refcount(__r._M_refcount) // may throw
        {
	  __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
	  // It is now safe to copy __r._M_ptr, as _M_refcount(__r._M_refcount)
	  // did not throw.
	  _M_ptr = __r._M_ptr;
	}

      /**
       * @post use_count() == 1 and __r.get() == 0
       */
      template<typename _Tp1>
        explicit
        __shared_ptr(std::auto_ptr<_Tp1>& __r)
	: _M_ptr(__r.get()), _M_refcount()
        {
	  // TODO requires __r.release() convertible to _Tp*, _Tp1 is complete,
	  // delete __r.release() well-formed
	  _Tp1* __tmp = __r.get();
	  _M_refcount = __shared_count<_Lp>(__r);
	  __enable_shared_from_this_helper(_M_refcount, __tmp, __tmp);
	}

      template<typename _Tp1>
        __shared_ptr(const __shared_ptr<_Tp1, _Lp>& __r, __static_cast_tag)
	: _M_ptr(static_cast<element_type*>(__r._M_ptr)),
	  _M_refcount(__r._M_refcount)
        { }

      template<typename _Tp1>
        __shared_ptr(const __shared_ptr<_Tp1, _Lp>& __r, __const_cast_tag)
	: _M_ptr(const_cast<element_type*>(__r._M_ptr)),
	  _M_refcount(__r._M_refcount)
        { }

      template<typename _Tp1>
        __shared_ptr(const __shared_ptr<_Tp1, _Lp>& __r, __dynamic_cast_tag)
	: _M_ptr(dynamic_cast<element_type*>(__r._M_ptr)),
	  _M_refcount(__r._M_refcount)
        {
	  if (_M_ptr == 0) // need to allocate new counter -- the cast failed
	    _M_refcount = __shared_count<_Lp>();
	}

      template<typename _Tp1>
        __shared_ptr&
        operator=(const __shared_ptr<_Tp1, _Lp>& __r) // never throws
        {
	  _M_ptr = __r._M_ptr;
	  _M_refcount = __r._M_refcount; // __shared_count::op= doesn't throw
	  return *this;
	}

      template<typename _Tp1>
        __shared_ptr&
        operator=(std::auto_ptr<_Tp1>& __r)
        {
	  __shared_ptr(__r).swap(*this);
	  return *this;
	}

      void
      reset() // never throws
      { __shared_ptr().swap(*this); }

      template<typename _Tp1>
        void
        reset(_Tp1* __p) // _Tp1 must be complete.
        {
	  // Catch self-reset errors.
	  _GLIBCXX_DEBUG_ASSERT(__p == 0 || __p != _M_ptr);
	  __shared_ptr(__p).swap(*this);
	}

      template<typename _Tp1, typename _Deleter>
        void
        reset(_Tp1* __p, _Deleter __d)
        { __shared_ptr(__p, __d).swap(*this); }

      // Allow class instantiation when _Tp is [cv-qual] void.
      typename add_reference<_Tp>::type
      operator*() const // never throws
      {
	_GLIBCXX_DEBUG_ASSERT(_M_ptr != 0);
	return *_M_ptr;
      }

      _Tp*
      operator->() const // never throws
      {
	_GLIBCXX_DEBUG_ASSERT(_M_ptr != 0);
	return _M_ptr;
      }

      _Tp*
      get() const // never throws
      { return _M_ptr; }

      // Implicit conversion to "bool"
    private:
      typedef _Tp* __shared_ptr::*__unspecified_bool_type;

    public:
      operator __unspecified_bool_type() const // never throws
      { return _M_ptr == 0 ? 0 : &__shared_ptr::_M_ptr; }

      bool
      unique() const // never throws
      { return _M_refcount._M_unique(); }

      long
      use_count() const // never throws
      { return _M_refcount._M_get_use_count(); }

      void
      swap(__shared_ptr<_Tp, _Lp>& __other) // never throws
      {
	std::swap(_M_ptr, __other._M_ptr);
	_M_refcount._M_swap(__other._M_refcount);
      }

    private:
      void*
      _M_get_deleter(const std::type_info& __ti) const
      { return _M_refcount._M_get_deleter(__ti); }

      template<typename _Tp1, _Lock_policy _Lp1>
        bool
        _M_less(const __shared_ptr<_Tp1, _Lp1>& __rhs) const
        { return _M_refcount < __rhs._M_refcount; }

      template<typename _Tp1, _Lock_policy _Lp1> friend class __shared_ptr;
      template<typename _Tp1, _Lock_policy _Lp1> friend class __weak_ptr;

      template<typename _Del, typename _Tp1, _Lock_policy _Lp1>
        friend _Del* get_deleter(const __shared_ptr<_Tp1, _Lp1>&);

      // Friends injected into enclosing namespace and found by ADL:
      template<typename _Tp1>
        friend inline bool
        operator==(const __shared_ptr& __a, const __shared_ptr<_Tp1, _Lp>& __b)
        { return __a.get() == __b.get(); }

      template<typename _Tp1>
        friend inline bool
        operator!=(const __shared_ptr& __a, const __shared_ptr<_Tp1, _Lp>& __b)
        { return __a.get() != __b.get(); }

      template<typename _Tp1>
        friend inline bool
        operator<(const __shared_ptr& __a, const __shared_ptr<_Tp1, _Lp>& __b)
        { return __a._M_less(__b); }

      _Tp*         	   _M_ptr;         // Contained pointer.
      __shared_count<_Lp>  _M_refcount;    // Reference counter.
    };

  // 2.2.3.8 shared_ptr specialized algorithms.
  template<typename _Tp, _Lock_policy _Lp>
    inline void
    swap(__shared_ptr<_Tp, _Lp>& __a, __shared_ptr<_Tp, _Lp>& __b)
    { __a.swap(__b); }

  // 2.2.3.9 shared_ptr casts
  /** @warning The seemingly equivalent
   *           <code>shared_ptr<_Tp, _Lp>(static_cast<_Tp*>(__r.get()))</code>
   *           will eventually result in undefined behaviour,
   *           attempting to delete the same object twice.
   */
  template<typename _Tp, typename _Tp1, _Lock_policy _Lp>
    __shared_ptr<_Tp, _Lp>
    static_pointer_cast(const __shared_ptr<_Tp1, _Lp>& __r)
    { return __shared_ptr<_Tp, _Lp>(__r, __static_cast_tag()); }

  /** @warning The seemingly equivalent
   *           <code>shared_ptr<_Tp, _Lp>(const_cast<_Tp*>(__r.get()))</code>
   *           will eventually result in undefined behaviour,
   *           attempting to delete the same object twice.
   */
  template<typename _Tp, typename _Tp1, _Lock_policy _Lp>
    __shared_ptr<_Tp, _Lp>
    const_pointer_cast(const __shared_ptr<_Tp1, _Lp>& __r)
    { return __shared_ptr<_Tp, _Lp>(__r, __const_cast_tag()); }

  /** @warning The seemingly equivalent
   *           <code>shared_ptr<_Tp, _Lp>(dynamic_cast<_Tp*>(__r.get()))</code>
   *           will eventually result in undefined behaviour,
   *           attempting to delete the same object twice.
   */
  template<typename _Tp, typename _Tp1, _Lock_policy _Lp>
    __shared_ptr<_Tp, _Lp>
    dynamic_pointer_cast(const __shared_ptr<_Tp1, _Lp>& __r)
    { return __shared_ptr<_Tp, _Lp>(__r, __dynamic_cast_tag()); }

  // 2.2.3.7 shared_ptr I/O
  template<typename _Ch, typename _Tr, typename _Tp, _Lock_policy _Lp>
    std::basic_ostream<_Ch, _Tr>&
    operator<<(std::basic_ostream<_Ch, _Tr>& __os,
	       const __shared_ptr<_Tp, _Lp>& __p)
    {
      __os << __p.get();
      return __os;
    }

  // 2.2.3.10 shared_ptr get_deleter (experimental)
  template<typename _Del, typename _Tp, _Lock_policy _Lp>
    inline _Del*
    get_deleter(const __shared_ptr<_Tp, _Lp>& __p)
    { return static_cast<_Del*>(__p._M_get_deleter(typeid(_Del))); }

  template<typename _Tp, _Lock_policy _Lp>
    class __weak_ptr
    {
    public:
      typedef _Tp element_type;

      __weak_ptr()
      : _M_ptr(0), _M_refcount() // never throws
      { }

      // Generated copy constructor, assignment, destructor are fine.

      // The "obvious" converting constructor implementation:
      //
      //  template<typename _Tp1>
      //    __weak_ptr(const __weak_ptr<_Tp1, _Lp>& __r)
      //    : _M_ptr(__r._M_ptr), _M_refcount(__r._M_refcount) // never throws
      //    { }
      //
      // has a serious problem.
      //
      //  __r._M_ptr may already have been invalidated. The _M_ptr(__r._M_ptr)
      //  conversion may require access to *__r._M_ptr (virtual inheritance).
      //
      // It is not possible to avoid spurious access violations since
      // in multithreaded programs __r._M_ptr may be invalidated at any point.
      template<typename _Tp1>
        __weak_ptr(const __weak_ptr<_Tp1, _Lp>& __r)
	: _M_refcount(__r._M_refcount) // never throws
        {
	  __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
	  _M_ptr = __r.lock().get();
	}

      template<typename _Tp1>
        __weak_ptr(const __shared_ptr<_Tp1, _Lp>& __r)
	: _M_ptr(__r._M_ptr), _M_refcount(__r._M_refcount) // never throws
        { __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>) }

      template<typename _Tp1>
        __weak_ptr&
        operator=(const __weak_ptr<_Tp1, _Lp>& __r) // never throws
        {
	  _M_ptr = __r.lock().get();
	  _M_refcount = __r._M_refcount;
	  return *this;
	}

      template<typename _Tp1>
        __weak_ptr&
        operator=(const __shared_ptr<_Tp1, _Lp>& __r) // never throws
        {
	  _M_ptr = __r._M_ptr;
	  _M_refcount = __r._M_refcount;
	  return *this;
	}

      __shared_ptr<_Tp, _Lp>
      lock() const // never throws
      {
#ifdef __GTHREADS
	// Optimization: avoid throw overhead.
	if (expired())
	  return __shared_ptr<element_type, _Lp>();

	try
	  {
	    return __shared_ptr<element_type, _Lp>(*this);
	  }
	catch(const bad_weak_ptr&)
	  {
	    // Q: How can we get here?
	    // A: Another thread may have invalidated r after the
	    //    use_count test above.
	    return __shared_ptr<element_type>();
	  }

#else
	// Optimization: avoid try/catch overhead when single threaded.
	return expired() ? __shared_ptr<element_type, _Lp>()
	                 : __shared_ptr<element_type, _Lp>(*this);

#endif
      } // XXX MT

      long
      use_count() const // never throws
      { return _M_refcount._M_get_use_count(); }

      bool
      expired() const // never throws
      { return _M_refcount._M_get_use_count() == 0; }

      void
      reset() // never throws
      { __weak_ptr().swap(*this); }

      void
      swap(__weak_ptr& __s) // never throws
      {
	std::swap(_M_ptr, __s._M_ptr);
	_M_refcount._M_swap(__s._M_refcount);
      }

    private:
      // Used by __enable_shared_from_this.
      void
      _M_assign(_Tp* __ptr, const __shared_count<_Lp>& __refcount)
      {
	_M_ptr = __ptr;
	_M_refcount = __refcount;
      }

      template<typename _Tp1>
        bool
        _M_less(const __weak_ptr<_Tp1, _Lp>& __rhs) const
        { return _M_refcount < __rhs._M_refcount; }

      template<typename _Tp1, _Lock_policy _Lp1> friend class __shared_ptr;
      template<typename _Tp1, _Lock_policy _Lp1> friend class __weak_ptr;
      friend class __enable_shared_from_this<_Tp, _Lp>;
      friend class enable_shared_from_this<_Tp>;

      // Friend injected into namespace and found by ADL.
      template<typename _Tp1>
        friend inline bool
        operator<(const __weak_ptr& __lhs, const __weak_ptr<_Tp1, _Lp>& __rhs)
        { return __lhs._M_less(__rhs); }

      _Tp*       	 _M_ptr;         // Contained pointer.
      __weak_count<_Lp>  _M_refcount;    // Reference counter.
    };

  // 2.2.4.7 weak_ptr specialized algorithms.
  template<typename _Tp, _Lock_policy _Lp>
    inline void
    swap(__weak_ptr<_Tp, _Lp>& __a, __weak_ptr<_Tp, _Lp>& __b)
    { __a.swap(__b); }

  template<typename _Tp, _Lock_policy _Lp>
    class __enable_shared_from_this
    {
    protected:
      __enable_shared_from_this() { }

      __enable_shared_from_this(const __enable_shared_from_this&) { }

      __enable_shared_from_this&
      operator=(const __enable_shared_from_this&)
      { return *this; }

      ~__enable_shared_from_this() { }

    public:
      __shared_ptr<_Tp, _Lp>
      shared_from_this()
      { return __shared_ptr<_Tp, _Lp>(this->_M_weak_this); }

      __shared_ptr<const _Tp, _Lp>
      shared_from_this() const
      { return __shared_ptr<const _Tp, _Lp>(this->_M_weak_this); }

    private:
      template<typename _Tp1>
        void
        _M_weak_assign(_Tp1* __p, const __shared_count<_Lp>& __n) const
        { _M_weak_this._M_assign(__p, __n); }

      template<typename _Tp1>
        friend void
        __enable_shared_from_this_helper(const __shared_count<_Lp>& __pn,
					 const __enable_shared_from_this* __pe,
					 const _Tp1* __px)
        {
	  if (__pe != 0)
	    __pe->_M_weak_assign(const_cast<_Tp1*>(__px), __pn);
	}

      mutable __weak_ptr<_Tp, _Lp>  _M_weak_this;
    };

  // The actual TR1 shared_ptr, with forwarding constructors and
  // assignment operators.
  template<typename _Tp>
    class shared_ptr
    : public __shared_ptr<_Tp>
    {
    public:
      shared_ptr()
      : __shared_ptr<_Tp>() { }

      template<typename _Tp1>
        explicit
        shared_ptr(_Tp1* __p)
	: __shared_ptr<_Tp>(__p) { }

      template<typename _Tp1, typename _Deleter>
        shared_ptr(_Tp1* __p, _Deleter __d)
	: __shared_ptr<_Tp>(__p, __d) { }

      template<typename _Tp1>
        shared_ptr(const shared_ptr<_Tp1>& __r)
	: __shared_ptr<_Tp>(__r) { }

      template<typename _Tp1>
        explicit
        shared_ptr(const weak_ptr<_Tp1>& __r)
	: __shared_ptr<_Tp>(__r) { }

      template<typename _Tp1>
        explicit
        shared_ptr(std::auto_ptr<_Tp1>& __r)
	: __shared_ptr<_Tp>(__r) { }

      template<typename _Tp1>
        shared_ptr(const shared_ptr<_Tp1>& __r, __static_cast_tag)
	: __shared_ptr<_Tp>(__r, __static_cast_tag()) { }

      template<typename _Tp1>
        shared_ptr(const shared_ptr<_Tp1>& __r, __const_cast_tag)
	: __shared_ptr<_Tp>(__r, __const_cast_tag()) { }

      template<typename _Tp1>
        shared_ptr(const shared_ptr<_Tp1>& __r, __dynamic_cast_tag)
	: __shared_ptr<_Tp>(__r, __dynamic_cast_tag()) { }

      template<typename _Tp1>
        shared_ptr&
        operator=(const shared_ptr<_Tp1>& __r) // never throws
        {
	  this->__shared_ptr<_Tp>::operator=(__r);
	  return *this;
	}

      template<typename _Tp1>
        shared_ptr&
        operator=(std::auto_ptr<_Tp1>& __r)
        {
	  this->__shared_ptr<_Tp>::operator=(__r);
	  return *this;
	}
    };

  template<typename _Tp, typename _Tp1>
    shared_ptr<_Tp>
    static_pointer_cast(const shared_ptr<_Tp1>& __r)
    { return shared_ptr<_Tp>(__r, __static_cast_tag()); }

  template<typename _Tp, typename _Tp1>
    shared_ptr<_Tp>
    const_pointer_cast(const shared_ptr<_Tp1>& __r)
    { return shared_ptr<_Tp>(__r, __const_cast_tag()); }

  template<typename _Tp, typename _Tp1>
    shared_ptr<_Tp>
    dynamic_pointer_cast(const shared_ptr<_Tp1>& __r)
    { return shared_ptr<_Tp>(__r, __dynamic_cast_tag()); }

  // The actual TR1 weak_ptr, with forwarding constructors and
  // assignment operators.
  template<typename _Tp>
    class weak_ptr
    : public __weak_ptr<_Tp>
    {
    public:
      weak_ptr()
      : __weak_ptr<_Tp>() { }

      template<typename _Tp1>
        weak_ptr(const weak_ptr<_Tp1>& __r)
	: __weak_ptr<_Tp>(__r) { }

      template<typename _Tp1>
        weak_ptr(const shared_ptr<_Tp1>& __r)
	: __weak_ptr<_Tp>(__r) { }

      template<typename _Tp1>
        weak_ptr&
        operator=(const weak_ptr<_Tp1>& __r) // never throws
        {
	  this->__weak_ptr<_Tp>::operator=(__r);
	  return *this;
	}

      template<typename _Tp1>
        weak_ptr&
        operator=(const shared_ptr<_Tp1>& __r) // never throws
        {
	  this->__weak_ptr<_Tp>::operator=(__r);
	  return *this;
	}

      shared_ptr<_Tp>
      lock() const // never throws
      {
#ifdef __GTHREADS
	if (this->expired())
	  return shared_ptr<_Tp>();

	try
	  {
	    return shared_ptr<_Tp>(*this);
	  }
	catch(const bad_weak_ptr&)
	  {
	    return shared_ptr<_Tp>();
	  }
#else
	return this->expired() ? shared_ptr<_Tp>()
	                       : shared_ptr<_Tp>(*this);
#endif
      }
    };

  template<typename _Tp>
    class enable_shared_from_this
    {
    protected:
      enable_shared_from_this() { }

      enable_shared_from_this(const enable_shared_from_this&) { }

      enable_shared_from_this&
      operator=(const enable_shared_from_this&)
      { return *this; }

      ~enable_shared_from_this() { }

    public:
      shared_ptr<_Tp>
      shared_from_this()
      { return shared_ptr<_Tp>(this->_M_weak_this); }

      shared_ptr<const _Tp>
      shared_from_this() const
      { return shared_ptr<const _Tp>(this->_M_weak_this); }

    private:
      template<typename _Tp1>
        void
        _M_weak_assign(_Tp1* __p, const __shared_count<>& __n) const
        { _M_weak_this._M_assign(__p, __n); }

      template<typename _Tp1>
        friend void
        __enable_shared_from_this_helper(const __shared_count<>& __pn,
					 const enable_shared_from_this* __pe,
					 const _Tp1* __px)
        {
	  if (__pe != 0)
	    __pe->_M_weak_assign(const_cast<_Tp1*>(__px), __pn);
	}

      mutable weak_ptr<_Tp>  _M_weak_this;
    };

_GLIBCXX_END_NAMESPACE
} // namespace std

#endif

repo_name: veiledmerc/mira

license: mit


code:
// TR1 cctype -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cctype
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CCTYPE
#define _TR1_CCTYPE 1

#include <bits/c++config.h>
#include <cctype>

#if _GLIBCXX_USE_C99_CTYPE_TR1

#undef isblank

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

  using ::isblank;

_GLIBCXX_END_NAMESPACE
}

#endif

#endif


code:
// TR1 cctype -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cfenv
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CFENV
#define _TR1_CFENV 1

#include <bits/c++config.h>

#if _GLIBCXX_USE_C99_FENV_TR1

#include <fenv.h>

#undef feclearexcept
#undef fegetexceptflag
#undef feraiseexcept
#undef fesetexceptflag
#undef fetestexcept
#undef fegetround
#undef fesetround
#undef fegetenv
#undef feholdexcept
#undef fesetenv
#undef feupdateenv

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

  // types
  using ::fenv_t;
  using ::fexcept_t;

  // functions
  using ::feclearexcept;
  using ::fegetexceptflag;
  using ::feraiseexcept;
  using ::fesetexceptflag;
  using ::fetestexcept;

  using ::fegetround;
  using ::fesetround;

  using ::fegetenv;
  using ::feholdexcept;
  using ::fesetenv;
  using ::feupdateenv;

_GLIBCXX_END_NAMESPACE
}

#endif

#endif


code:
// TR1 cfloat -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cfloat
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CFLOAT
#define _TR1_CFLOAT 1

#include <cfloat>

#ifndef DECIMAL_DIG
#define DECIMAL_DIG __DECIMAL_DIG__
#endif

#ifndef FLT_EVAL_METHOD
#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
#endif

#endif


code:
// TR1 cinttypes -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cinttypes
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CINTTYPES
#define _TR1_CINTTYPES 1

#include <bits/c++config.h>
#include <tr1/cstdint>

#if _GLIBCXX_USE_C99_INTTYPES_TR1

// For 8.11.1/1 (see C99, Note 184)
#define __STDC_FORMAT_MACROS
#include <inttypes.h>

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

  // types
  using ::imaxdiv_t;

  // functions
  using ::imaxabs;

  // May collide with _Longlong abs(_Longlong), and is not described
  // anywhere outside the synopsis.  Likely, a defect.
  //
  // intmax_t abs(intmax_t)

  using ::imaxdiv;

  // Likewise, with lldiv_t div(_Longlong, _Longlong).
  //
  // imaxdiv_t div(intmax_t, intmax_t)

  using ::strtoimax;
  using ::strtoumax;

#ifdef _GLIBCXX_USE_WCHAR_T
  using ::wcstoimax;
  using ::wcstoumax;
#endif

_GLIBCXX_END_NAMESPACE
}

#endif

#endif


code:
// TR1 climits -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/climits
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CLIMITS
#define _TR1_CLIMITS 1

#include <climits>

#ifndef LLONG_MIN
#define LLONG_MIN -__LONG_LONG_MAX__ - 1
#endif

#ifndef LLONG_MAX
#define LLONG_MAX __LONG_LONG_MAX__
#endif

#ifndef ULLONG_MAX
#define ULLONG_MAX __LONG_LONG_MAX__ * 2ULL + 1
#endif

#endif


code:
// TR1 cmath -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cmath
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CMATH
#define _TR1_CMATH 1

#include <bits/c++config.h>
#include <cmath>
#include <tr1/common.h>

#if _GLIBCXX_USE_C99_MATH_TR1

#undef acosh
#undef acoshf
#undef acoshl
#undef asinh
#undef asinhf
#undef asinhl
#undef atanh
#undef atanhf
#undef atanhl
#undef cbrt
#undef cbrtf
#undef cbrtl
#undef copysign
#undef copysignf
#undef copysignl
#undef erf
#undef erff
#undef erfl
#undef erfc
#undef erfcf
#undef erfcl
#undef exp2
#undef exp2f
#undef exp2l
#undef expm1
#undef expm1f
#undef expm1l
#undef fdim
#undef fdimf
#undef fdiml
#undef fma
#undef fmaf
#undef fmal
#undef fmax
#undef fmaxf
#undef fmaxl
#undef fmin
#undef fminf
#undef fminl
#undef hypot
#undef hypotf
#undef hypotl
#undef ilogb
#undef ilogbf
#undef ilogbl
#undef lgamma
#undef lgammaf
#undef lgammal
#undef llrint
#undef llrintf
#undef llrintl
#undef llround
#undef llroundf
#undef llroundl
#undef log1p
#undef log1pf
#undef log1pl
#undef log2
#undef log2f
#undef log2l
#undef logb
#undef logbf
#undef logbl
#undef lrint
#undef lrintf
#undef lrintl
#undef lround
#undef lroundf
#undef lroundl
#undef nan
#undef nanf
#undef nanl
#undef nearbyint
#undef nearbyintf
#undef nearbyintl
#undef nextafter
#undef nextafterf
#undef nextafterl
#undef nexttoward
#undef nexttowardf
#undef nexttowardl
#undef remainder
#undef remainderf
#undef remainderl
#undef remquo
#undef remquo
#undef remquo
#undef rint
#undef rintf
#undef rintl
#undef round
#undef roundf
#undef roundl
#undef scalbln
#undef scalblnf
#undef scalblnl
#undef scalbn
#undef scalbnf
#undef scalbnl
#undef tgamma
#undef tgammaf
#undef tgammal
#undef trunc
#undef truncf
#undef truncl

#endif

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

#if _GLIBCXX_USE_C99_MATH_TR1

  // types
  using ::double_t;
  using ::float_t;

  // functions
  using ::acosh;
  using ::acoshf;
  using ::acoshl;

  using ::asinh;
  using ::asinhf;
  using ::asinhl;

  using ::atanh;
  using ::atanhf;
  using ::atanhl;

  using ::cbrt;
  using ::cbrtf;
  using ::cbrtl;

  using ::copysign;
  using ::copysignf;
  using ::copysignl;

  using ::erf;
  using ::erff;
  using ::erfl;

  using ::erfc;
  using ::erfcf;
  using ::erfcl;

  using ::exp2;
  using ::exp2f;
  using ::exp2l;

  using ::expm1;
  using ::expm1f;
  using ::expm1l;

  using ::fdim;
  using ::fdimf;
  using ::fdiml;

  using ::fma;
  using ::fmaf;
  using ::fmal;

  using ::fmax;
  using ::fmaxf;
  using ::fmaxl;

  using ::fmin;
  using ::fminf;
  using ::fminl;

  using ::hypot;
  using ::hypotf;
  using ::hypotl;

  using ::ilogb;
  using ::ilogbf;
  using ::ilogbl;

  using ::lgamma;
  using ::lgammaf;
  using ::lgammal;

  using ::llrint;
  using ::llrintf;
  using ::llrintl;

  using ::llround;
  using ::llroundf;
  using ::llroundl;

  using ::log1p;
  using ::log1pf;
  using ::log1pl;

  using ::log2;
  using ::log2f;
  using ::log2l;

  using ::logb;
  using ::logbf;
  using ::logbl;

  using ::lrint;
  using ::lrintf;
  using ::lrintl;

  using ::lround;
  using ::lroundf;
  using ::lroundl;

  using ::nan;
  using ::nanf;
  using ::nanl;

  using ::nearbyint;
  using ::nearbyintf;
  using ::nearbyintl;

  using ::nextafter;
  using ::nextafterf;
  using ::nextafterl;

  using ::nexttoward;
  using ::nexttowardf;
  using ::nexttowardl;

  using ::remainder;
  using ::remainderf;
  using ::remainderl;

  using ::remquo;
  using ::remquo;
  using ::remquo;

  using ::rint;
  using ::rintf;
  using ::rintl;

  using ::round;
  using ::roundf;
  using ::roundl;

  using ::scalbln;
  using ::scalblnf;
  using ::scalblnl;

  using ::scalbn;
  using ::scalbnf;
  using ::scalbnl;

  using ::tgamma;
  using ::tgammaf;
  using ::tgammal;

  using ::trunc;
  using ::truncf;
  using ::truncl;

#endif

#if _GLIBCXX_USE_C99_MATH
#if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC

  /// @brief Function template definitions [8.16.3].
  //
  using std::signbit;

  using std::fpclassify;

  using std::isfinite;
  using std::isinf;
  using std::isnan;
  using std::isnormal;

  using std::isgreater;
  using std::isgreaterequal;
  using std::isless;
  using std::islessequal;
  using std::islessgreater;
  using std::isunordered;
#endif
#endif

#if _GLIBCXX_USE_C99_MATH_TR1

  /// @brief Additional overloads [8.16.4].
  //
  using std::acos;

  inline float
  acosh(float __x)
  { return __builtin_acoshf(__x); }

  inline long double
  acosh(long double __x)
  { return __builtin_acoshl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    acosh(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return acosh(__type(__x));
    }

  using std::asin;

  inline float
  asinh(float __x)
  { return __builtin_asinhf(__x); }

  inline long double
  asinh(long double __x)
  { return __builtin_asinhl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    asinh(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return asinh(__type(__x));
    }

  using std::atan;

  // Workaround for c++/21682.
  namespace __detail
  {
    template<typename _Tp, typename _Up>
      inline typename
      __gnu_cxx::__enable_if<std::__is_floating<_Tp>::__value
                             || std::__is_floating<_Up>::__value,
			     typename
			     std::tr1::__promote_2<_Tp, _Up>::__type>::__type
      atan2(_Tp __y, _Up __x)
      {
	typedef typename std::tr1::__promote_2<_Tp, _Up>::__type __type;
	return std::atan2(__type(__y), __type(__x));
      }
  } // namespace __detail

  using std::atan2;
  using __detail::atan2;

  inline float
  atanh(float __x)
  { return __builtin_atanhf(__x); }

  inline long double
  atanh(long double __x)
  { return __builtin_atanhl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    atanh(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return atanh(__type(__x));
    }

  inline float
  cbrt(float __x)
  { return __builtin_cbrtf(__x); }

  inline long double
  cbrt(long double __x)
  { return __builtin_cbrtl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    cbrt(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return cbrt(__type(__x));
    }

  using std::ceil;

  inline float
  copysign(float __x, float __y)
  { return __builtin_copysignf(__x, __y); }

  inline long double
  copysign(long double __x, long double __y)
  { return __builtin_copysignl(__x, __y); }

  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    copysign(_Tp __x, _Up __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return copysign(__type(__x), __type(__y));
    }

  using std::cos;
  using std::cosh;

  inline float
  erf(float __x)
  { return __builtin_erff(__x); }

  inline long double
  erf(long double __x)
  { return __builtin_erfl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    erf(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return erf(__type(__x));
    }

  inline float
  erfc(float __x)
  { return __builtin_erfcf(__x); }

  inline long double
  erfc(long double __x)
  { return __builtin_erfcl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    erfc(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return erfc(__type(__x));
    }

  using std::exp;

  inline float
  exp2(float __x)
  { return __builtin_exp2f(__x); }

  inline long double
  exp2(long double __x)
  { return __builtin_exp2l(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    exp2(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return exp2(__type(__x));
    }

  inline float
  expm1(float __x)
  { return __builtin_expm1f(__x); }

  inline long double
  expm1(long double __x)
  { return __builtin_expm1l(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    expm1(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return expm1(__type(__x));
    }

  using std::fabs;

  inline float
  fdim(float __x, float __y)
  { return __builtin_fdimf(__x, __y); }

  inline long double
  fdim(long double __x, long double __y)
  { return __builtin_fdiml(__x, __y); }

  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    fdim(_Tp __x, _Up __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return fdim(__type(__x), __type(__y));
    }

  using std::floor;

  inline float
  fma(float __x, float __y, float __z)
  { return __builtin_fmaf(__x, __y, __z); }

  inline long double
  fma(long double __x, long double __y, long double __z)
  { return __builtin_fmal(__x, __y, __z); }

  template<typename _Tp, typename _Up, typename _Vp>
    inline typename __promote_3<_Tp, _Up, _Vp>::__type
    fma(_Tp __x, _Up __y, _Vp __z)
    {
      typedef typename __promote_3<_Tp, _Up, _Vp>::__type __type;
      return fma(__type(__x), __type(__y), __type(__z));
    }

  inline float
  fmax(float __x, float __y)
  { return __builtin_fmaxf(__x, __y); }

  inline long double
  fmax(long double __x, long double __y)
  { return __builtin_fmaxl(__x, __y); }

  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    fmax(_Tp __x, _Up __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return fmax(__type(__x), __type(__y));
    }

  inline float
  fmin(float __x, float __y)
  { return __builtin_fminf(__x, __y); }

  inline long double
  fmin(long double __x, long double __y)
  { return __builtin_fminl(__x, __y); }

  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    fmin(_Tp __x, _Up __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return fmin(__type(__x), __type(__y));
    }

  using std::fmod;
  using std::frexp;

  inline float
  hypot(float __x, float __y)
  { return __builtin_hypotf(__x, __y); }

  inline long double
  hypot(long double __x, long double __y)
  { return __builtin_hypotl(__x, __y); }

  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    hypot(_Tp __x, _Up __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return hypot(__type(__x), __type(__y));
    }

  inline int
  ilogb(float __x)
  { return __builtin_ilogbf(__x); }

  inline int
  ilogb(long double __x)
  { return __builtin_ilogbl(__x); }

  template<typename _Tp>
    inline int
    ilogb(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return ilogb(__type(__x));
    }

  using std::ldexp;

  inline float
  lgamma(float __x)
  { return __builtin_lgammaf(__x); }

  inline long double
  lgamma(long double __x)
  { return __builtin_lgammal(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    lgamma(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return lgamma(__type(__x));
    }

  inline long long
  llrint(float __x)
  { return __builtin_llrintf(__x); }

  inline long long
  llrint(long double __x)
  { return __builtin_llrintl(__x); }

  template<typename _Tp>
    inline long long
    llrint(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return llrint(__type(__x));
    }

  inline long long
  llround(float __x)
  { return __builtin_llroundf(__x); }

  inline long long
  llround(long double __x)
  { return __builtin_llroundl(__x); }

  template<typename _Tp>
    inline long long
    llround(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return llround(__type(__x));
    }

  using std::log;
  using std::log10;

  inline float
  log1p(float __x)
  { return __builtin_log1pf(__x); }

  inline long double
  log1p(long double __x)
  { return __builtin_log1pl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    log1p(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return log1p(__type(__x));
    }

  // DR 568.
  inline float
  log2(float __x)
  { return __builtin_log2f(__x); }

  inline long double
  log2(long double __x)
  { return __builtin_log2l(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    log2(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return log2(__type(__x));
    }

  inline float
  logb(float __x)
  { return __builtin_logbf(__x); }

  inline long double
  logb(long double __x)
  { return __builtin_logbl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    logb(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return logb(__type(__x));
    }

  inline long
  lrint(float __x)
  { return __builtin_lrintf(__x); }

  inline long
  lrint(long double __x)
  { return __builtin_lrintl(__x); }

  template<typename _Tp>
    inline long
    lrint(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return lrint(__type(__x));
    }

  inline long
  lround(float __x)
  { return __builtin_lroundf(__x); }

  inline long
  lround(long double __x)
  { return __builtin_lroundl(__x); }

  template<typename _Tp>
    inline long
    lround(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return lround(__type(__x));
    }

  inline float
  nearbyint(float __x)
  { return __builtin_nearbyintf(__x); }

  inline long double
  nearbyint(long double __x)
  { return __builtin_nearbyintl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    nearbyint(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return nearbyint(__type(__x));
    }

  inline float
  nextafter(float __x, float __y)
  { return __builtin_nextafterf(__x, __y); }

  inline long double
  nextafter(long double __x, long double __y)
  { return __builtin_nextafterl(__x, __y); }

  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    nextafter(_Tp __x, _Up __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return nextafter(__type(__x), __type(__y));
    }

  inline float
  nexttoward(float __x, long double __y)
  { return __builtin_nexttowardf(__x, __y); }

  inline long double
  nexttoward(long double __x, long double __y)
  { return __builtin_nexttowardl(__x, __y); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    nexttoward(_Tp __x, long double __y)
    {
      typedef typename __promote<_Tp>::__type __type;
      return nexttoward(__type(__x), __y);
    }

  using std::pow;

  // DR 550.
  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    pow(_Tp __x, _Up __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return pow(__type(__x), __type(__y));
    }

  inline float
  remainder(float __x, float __y)
  { return __builtin_remainderf(__x, __y); }

  inline long double
  remainder(long double __x, long double __y)
  { return __builtin_remainderl(__x, __y); }

  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    remainder(_Tp __x, _Up __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return remainder(__type(__x), __type(__y));
    }

  inline float
  remquo(float __x, float __y, int* __pquo)
  { return __builtin_remquof(__x, __y, __pquo); }

  inline long double
  remquo(long double __x, long double __y, int* __pquo)
  { return __builtin_remquol(__x, __y, __pquo); }

  template<typename _Tp, typename _Up>
    inline typename __promote_2<_Tp, _Up>::__type
    remquo(_Tp __x, _Up __y, int* __pquo)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return remquo(__type(__x), __type(__y), __pquo);
    }

  inline float
  rint(float __x)
  { return __builtin_rintf(__x); }

  inline long double
  rint(long double __x)
  { return __builtin_rintl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    rint(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return rint(__type(__x));
    }

  inline float
  round(float __x)
  { return __builtin_roundf(__x); }

  inline long double
  round(long double __x)
  { return __builtin_roundl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    round(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return round(__type(__x));
    }

  inline float
  scalbln(float __x, long __ex)
  { return __builtin_scalblnf(__x, __ex); }

  inline long double
  scalbln(long double __x, long __ex)
  { return __builtin_scalblnl(__x, __ex); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    scalbln(_Tp __x, long __ex)
    {
      typedef typename __promote<_Tp>::__type __type;
      return scalbln(__type(__x), __ex);
    }

  inline float
  scalbn(float __x, int __ex)
  { return __builtin_scalbnf(__x, __ex); }

  inline long double
  scalbn(long double __x, int __ex)
  { return __builtin_scalbnl(__x, __ex); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    scalbn(_Tp __x, int __ex)
    {
      typedef typename __promote<_Tp>::__type __type;
      return scalbn(__type(__x), __ex);
    }

  using std::sin;
  using std::sinh;
  using std::sqrt;
  using std::tan;
  using std::tanh;

  inline float
  tgamma(float __x)
  { return __builtin_tgammaf(__x); }

  inline long double
  tgamma(long double __x)
  { return __builtin_tgammal(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    tgamma(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return tgamma(__type(__x));
    }

  inline float
  trunc(float __x)
  { return __builtin_truncf(__x); }

  inline long double
  trunc(long double __x)
  { return __builtin_truncl(__x); }

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    trunc(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return trunc(__type(__x));
    }

#endif

_GLIBCXX_END_NAMESPACE
}

#endif


code:
// Internal header for TR1 complex -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/common.h
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_COMMON_H
#define _TR1_COMMON_H 1

#include <tr1/type_traits>

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

  template<typename _Tp, bool = is_integral<_Tp>::value>
    struct __promote
    { typedef double __type; };

  template<typename _Tp>
    struct __promote<_Tp, false>
    { typedef _Tp __type; };

  template<typename _Tp, typename _Up>
    struct __promote_2
    {
    private:
      typedef typename __promote<_Tp>::__type __type1;
      typedef typename __promote<_Up>::__type __type2;

    public:
      typedef __typeof__(__type1() + __type2()) __type;
    };

  template<typename _Tp, typename _Up, typename _Vp>
    struct __promote_3
    {
    private:
      typedef typename __promote<_Tp>::__type __type1;
      typedef typename __promote<_Up>::__type __type2;
      typedef typename __promote<_Vp>::__type __type3;

    public:
      typedef __typeof__(__type1() + __type2() + __type3()) __type;
    };

_GLIBCXX_END_NAMESPACE
} // namespace std

#endif


code:
// TR1 complex -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/complex
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_COMPLEX
#define _TR1_COMPLEX 1

#include "../complex"
#include <tr1/common.h>

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

  // Forward declarations.
  template<typename _Tp> std::complex<_Tp> acos(const std::complex<_Tp>&);
  template<typename _Tp> std::complex<_Tp> asin(const std::complex<_Tp>&);
  template<typename _Tp> std::complex<_Tp> atan(const std::complex<_Tp>&);

  template<typename _Tp> std::complex<_Tp> acosh(const std::complex<_Tp>&);
  template<typename _Tp> std::complex<_Tp> asinh(const std::complex<_Tp>&);
  template<typename _Tp> std::complex<_Tp> atanh(const std::complex<_Tp>&);
  template<typename _Tp> std::complex<_Tp> fabs(const std::complex<_Tp>&);

  /// @brief acos(__z) [8.1.2].
  //  Effects:  Behaves the same as C99 function cacos, defined
  //            in subclause 7.3.5.1.
  template<typename _Tp>
    inline std::complex<_Tp>
    __complex_acos(const std::complex<_Tp>& __z)
    {
      const std::complex<_Tp> __t = std::tr1::asin(__z);
      const _Tp __pi_2 = 1.5707963267948966192313216916397514L;
      return std::complex<_Tp>(__pi_2 - __t.real(), -__t.imag());
    }

#if _GLIBCXX_USE_C99_COMPLEX_TR1
  inline __complex__ float
  __complex_acos(__complex__ float __z)
  { return __builtin_cacosf(__z); }

  inline __complex__ double
  __complex_acos(__complex__ double __z)
  { return __builtin_cacos(__z); }

  inline __complex__ long double
  __complex_acos(const __complex__ long double& __z)
  { return __builtin_cacosl(__z); }

  template<typename _Tp>
    inline std::complex<_Tp>
    acos(const std::complex<_Tp>& __z)
    { return __complex_acos(__z.__rep()); }
#else
  template<typename _Tp>
    inline std::complex<_Tp>
    acos(const std::complex<_Tp>& __z)
    { return __complex_acos(__z); }
#endif

  /// @brief asin(__z) [8.1.3].
  //  Effects:  Behaves the same as C99 function casin, defined
  //            in subclause 7.3.5.2.
  template<typename _Tp>
    inline std::complex<_Tp>
    __complex_asin(const std::complex<_Tp>& __z)
    {
      std::complex<_Tp> __t(-__z.imag(), __z.real());
      __t = std::tr1::asinh(__t);
      return std::complex<_Tp>(__t.imag(), -__t.real());
    }

#if _GLIBCXX_USE_C99_COMPLEX_TR1
  inline __complex__ float
  __complex_asin(__complex__ float __z)
  { return __builtin_casinf(__z); }

  inline __complex__ double
  __complex_asin(__complex__ double __z)
  { return __builtin_casin(__z); }

  inline __complex__ long double
  __complex_asin(const __complex__ long double& __z)
  { return __builtin_casinl(__z); }

  template<typename _Tp>
    inline std::complex<_Tp>
    asin(const std::complex<_Tp>& __z)
    { return __complex_asin(__z.__rep()); }
#else
  template<typename _Tp>
    inline std::complex<_Tp>
    asin(const std::complex<_Tp>& __z)
    { return __complex_asin(__z); }
#endif

  /// @brief atan(__z) [8.1.4].
  //  Effects:  Behaves the same as C99 function catan, defined
  //            in subclause 7.3.5.3.
  template<typename _Tp>
    std::complex<_Tp>
    __complex_atan(const std::complex<_Tp>& __z)
    {
      const _Tp __r2 = __z.real() * __z.real();
      const _Tp __x = _Tp(1.0) - __r2 - __z.imag() * __z.imag();

      _Tp __num = __z.imag() + _Tp(1.0);
      _Tp __den = __z.imag() - _Tp(1.0);

      __num = __r2 + __num * __num;
      __den = __r2 + __den * __den;

      return std::complex<_Tp>(_Tp(0.5) * atan2(_Tp(2.0) * __z.real(), __x),
			       _Tp(0.25) * log(__num / __den));
    }

#if _GLIBCXX_USE_C99_COMPLEX_TR1
  inline __complex__ float
  __complex_atan(__complex__ float __z)
  { return __builtin_catanf(__z); }

  inline __complex__ double
  __complex_atan(__complex__ double __z)
  { return __builtin_catan(__z); }

  inline __complex__ long double
  __complex_atan(const __complex__ long double& __z)
  { return __builtin_catanl(__z); }

  template<typename _Tp>
    inline std::complex<_Tp>
    atan(const std::complex<_Tp>& __z)
    { return __complex_atan(__z.__rep()); }
#else
  template<typename _Tp>
    inline std::complex<_Tp>
    atan(const std::complex<_Tp>& __z)
    { return __complex_atan(__z); }
#endif

  /// @brief acosh(__z) [8.1.5].
  //  Effects:  Behaves the same as C99 function cacosh, defined
  //            in subclause 7.3.6.1.
  template<typename _Tp>
    std::complex<_Tp>
    __complex_acosh(const std::complex<_Tp>& __z)
    {
      std::complex<_Tp> __t((__z.real() - __z.imag())
			    * (__z.real() + __z.imag()) - _Tp(1.0),
			    _Tp(2.0) * __z.real() * __z.imag());
      __t = std::sqrt(__t);

      return std::log(__t + __z);
    }

#if _GLIBCXX_USE_C99_COMPLEX_TR1
  inline __complex__ float
  __complex_acosh(__complex__ float __z)
  { return __builtin_cacoshf(__z); }

  inline __complex__ double
  __complex_acosh(__complex__ double __z)
  { return __builtin_cacosh(__z); }

  inline __complex__ long double
  __complex_acosh(const __complex__ long double& __z)
  { return __builtin_cacoshl(__z); }

  template<typename _Tp>
    inline std::complex<_Tp>
    acosh(const std::complex<_Tp>& __z)
    { return __complex_acosh(__z.__rep()); }
#else
  template<typename _Tp>
    inline std::complex<_Tp>
    acosh(const std::complex<_Tp>& __z)
    { return __complex_acosh(__z); }
#endif

  /// @brief asinh(__z) [8.1.6].
  //  Effects:  Behaves the same as C99 function casin, defined
  //            in subclause 7.3.6.2.
  template<typename _Tp>
    std::complex<_Tp>
    __complex_asinh(const std::complex<_Tp>& __z)
    {
      std::complex<_Tp> __t((__z.real() - __z.imag())
			    * (__z.real() + __z.imag()) + _Tp(1.0),
			    _Tp(2.0) * __z.real() * __z.imag());
      __t = std::sqrt(__t);

      return std::log(__t + __z);
    }

#if _GLIBCXX_USE_C99_COMPLEX_TR1
  inline __complex__ float
  __complex_asinh(__complex__ float __z)
  { return __builtin_casinhf(__z); }

  inline __complex__ double
  __complex_asinh(__complex__ double __z)
  { return __builtin_casinh(__z); }

  inline __complex__ long double
  __complex_asinh(const __complex__ long double& __z)
  { return __builtin_casinhl(__z); }

  template<typename _Tp>
    inline std::complex<_Tp>
    asinh(const std::complex<_Tp>& __z)
    { return __complex_asinh(__z.__rep()); }
#else
  template<typename _Tp>
    inline std::complex<_Tp>
    asinh(const std::complex<_Tp>& __z)
    { return __complex_asinh(__z); }
#endif

  /// @brief atanh(__z) [8.1.7].
  //  Effects:  Behaves the same as C99 function catanh, defined
  //            in subclause 7.3.6.3.
  template<typename _Tp>
    std::complex<_Tp>
    __complex_atanh(const std::complex<_Tp>& __z)
    {
      const _Tp __i2 = __z.imag() * __z.imag();
      const _Tp __x = _Tp(1.0) - __i2 - __z.real() * __z.real();

      _Tp __num = _Tp(1.0) + __z.real();
      _Tp __den = _Tp(1.0) - __z.real();

      __num = __i2 + __num * __num;
      __den = __i2 + __den * __den;

      return std::complex<_Tp>(_Tp(0.25) * (log(__num) - log(__den)),
			       _Tp(0.5) * atan2(_Tp(2.0) * __z.imag(), __x));
    }

#if _GLIBCXX_USE_C99_COMPLEX_TR1
  inline __complex__ float
  __complex_atanh(__complex__ float __z)
  { return __builtin_catanhf(__z); }

  inline __complex__ double
  __complex_atanh(__complex__ double __z)
  { return __builtin_catanh(__z); }

  inline __complex__ long double
  __complex_atanh(const __complex__ long double& __z)
  { return __builtin_catanhl(__z); }

  template<typename _Tp>
    inline std::complex<_Tp>
    atanh(const std::complex<_Tp>& __z)
    { return __complex_atanh(__z.__rep()); }
#else
  template<typename _Tp>
    inline std::complex<_Tp>
    atanh(const std::complex<_Tp>& __z)
    { return __complex_atanh(__z); }
#endif

  /// @brief fabs(__z) [8.1.8].
  //  Effects:  Behaves the same as C99 function cabs, defined
  //            in subclause 7.3.8.1.
  template<typename _Tp>
    inline std::complex<_Tp>
    fabs(const std::complex<_Tp>& __z)
    { return std::abs(__z); }

  /// @brief Additional overloads [8.1.9].
  //

  // See common.h for the primary template.
  template<typename _Tp, typename _Up>
    struct __promote_2<std::complex<_Tp>, _Up>
    {
    public:
      typedef std::complex<typename __promote_2<_Tp, _Up>::__type> __type;
    };

  template<typename _Tp, typename _Up>
    struct __promote_2<_Tp, std::complex<_Up> >
    {
    public:
      typedef std::complex<typename __promote_2<_Tp, _Up>::__type> __type;
    };

  template<typename _Tp, typename _Up>
    struct __promote_2<std::complex<_Tp>, std::complex<_Up> >
    {
    public:
      typedef std::complex<typename __promote_2<_Tp, _Up>::__type> __type;
    };

  using std::arg;

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    arg(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return std::arg(std::complex<__type>(__x));
    }

  using std::conj;

  template<typename _Tp>
    inline std::complex<typename __promote<_Tp>::__type>
    conj(_Tp __x)
    { return __x; }

  using std::imag;

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    imag(_Tp)
    { return _Tp(); }

  using std::norm;

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    norm(_Tp __x)
    {
      typedef typename __promote<_Tp>::__type __type;
      return __type(__x) * __type(__x);
    }

  using std::polar;

  template<typename _Tp, typename _Up>
    inline std::complex<typename __promote_2<_Tp, _Up>::__type>
    polar(const _Tp& __rho, const _Up& __theta)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return std::polar(__type(__rho), __type(__theta));
    }

  using std::pow;

  template<typename _Tp, typename _Up>
    inline std::complex<typename __promote_2<_Tp, _Up>::__type>
    pow(const std::complex<_Tp>& __x, const _Up& __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return std::pow(std::complex<__type>(__x), __type(__y));
    }

  template<typename _Tp, typename _Up>
    inline std::complex<typename __promote_2<_Tp, _Up>::__type>
    pow(const _Tp& __x, const std::complex<_Up>& __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return std::pow(__type(__x), std::complex<__type>(__y));
    }

  template<typename _Tp, typename _Up>
    inline std::complex<typename __promote_2<_Tp, _Up>::__type>
    pow(const std::complex<_Tp>& __x, const std::complex<_Up>& __y)
    {
      typedef typename __promote_2<_Tp, _Up>::__type __type;
      return std::pow(std::complex<__type>(__x),
		      std::complex<__type>(__y));
    }

  using std::real;

  template<typename _Tp>
    inline typename __promote<_Tp>::__type
    real(_Tp __x)
    { return __x; }

_GLIBCXX_END_NAMESPACE
}

#endif


code:
// TR1 cstdarg -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cstdarg
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CSTDARG
#define _TR1_CSTDARG 1

#include <cstdarg>

#endif


code:
// TR1 cstdbool -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cstdbool
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CSTDBOOL
#define _TR1_CSTDBOOL 1

#include <bits/c++config.h>

#if _GLIBCXX_HAVE_STDBOOL_H
#include <stdbool.h>
#endif

#endif


code:
// TR1 cstdint -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cstdint
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CSTDINT
#define _TR1_CSTDINT 1

#include <bits/c++config.h>

#if _GLIBCXX_USE_C99_STDINT_TR1

// For 8.22.1/1 (see C99, Notes 219, 220, 222)
#define __STDC_LIMIT_MACROS
#define __STDC_CONSTANT_MACROS
#include <stdint.h>

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

  using ::int8_t;
  using ::int16_t;
  using ::int32_t;
  using ::int64_t;

  using ::int_fast8_t;
  using ::int_fast16_t;
  using ::int_fast32_t;
  using ::int_fast64_t;

  using ::int_least8_t;
  using ::int_least16_t;
  using ::int_least32_t;
  using ::int_least64_t;

  using ::intmax_t;
  using ::intptr_t;

  using ::uint8_t;
  using ::uint16_t;
  using ::uint32_t;
  using ::uint64_t;

  using ::uint_fast8_t;
  using ::uint_fast16_t;
  using ::uint_fast32_t;
  using ::uint_fast64_t;

  using ::uint_least8_t;
  using ::uint_least16_t;
  using ::uint_least32_t;
  using ::uint_least64_t;

  using ::uintmax_t;
  using ::uintptr_t;

_GLIBCXX_END_NAMESPACE
}

#endif

#endif


code:
// TR1 cstdio -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cstdio
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CSTDIO
#define _TR1_CSTDIO 1

#include <bits/c++config.h>
#include <cstdio>

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

#if _GLIBCXX_USE_C99
  using std::snprintf;
  using std::vsnprintf;

  using std::vfscanf;
  using std::vscanf;
  using std::vsscanf;
#endif

_GLIBCXX_END_NAMESPACE
}

#endif


code:
// TR1 cstdlib -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/cstdlib
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CSTDLIB
#define _TR1_CSTDLIB 1

#include <bits/c++config.h>

#if _GLIBCXX_HOSTED

#include <cstdlib>

// namespace std::tr1
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)

#if _GLIBCXX_USE_C99

#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
  // types
  using std::lldiv_t;

  // functions
  using std::llabs;
  using std::lldiv;
#endif

  using std::atoll;
  using std::strtoll;
  using std::strtoull;

  using std::strtof;
  using std::strtold;

  // overloads
  using std::abs;
#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
  using std::div;
#endif

#endif

_GLIBCXX_END_NAMESPACE
}

#endif

#endif


code:
// TR1 ctgmath -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/ctgmath
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CTGMATH
#define _TR1_CTGMATH 1

#include <tr1/cmath>

#endif


code:
// TR1 ctime -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/ctime
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CTIME
#define _TR1_CTIME 1

#include <ctime>

#endif


code:
// TR1 ctype.h -*- C++ -*-

// Copyright (C) 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file tr1/ctype.h
 *  This is a TR1 C++ Library header.
 */

#ifndef _TR1_CTYPE_H
#define _TR1_CTYPE_H 1

#include <tr1/cctype>

#endif